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fs-util: also add an at_flags_normalize_follow() helper

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This is the reverse of at_flags_normalize_follow()
This commit is contained in:
Lennart Poettering
2025-01-22 11:54:34 +01:00
parent 0783d8da50
commit 4b11087b37
2 changed files with 10 additions and 1 deletions
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9
src/basic/fs-util.h
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@@ -172,3 +172,12 @@ static inline int at_flags_normalize_nofollow(int flags) {
flags |= AT_SYMLINK_NOFOLLOW;
return flags;
}
static inline int at_flags_normalize_follow(int flags) {
if (FLAGS_SET(flags, AT_SYMLINK_NOFOLLOW)) {
assert(!FLAGS_SET(flags, AT_SYMLINK_FOLLOW));
flags &= ~AT_SYMLINK_NOFOLLOW;
} else
flags |= AT_SYMLINK_FOLLOW;
return flags;
}

2
src/basic/stat-util.c
View File

@@ -298,7 +298,7 @@ int inode_same_at(int fda, const char *filea, int fdb, const char *fileb, int fl
flags |= AT_EMPTY_PATH;
}
int ntha_flags = (flags & AT_EMPTY_PATH) | (FLAGS_SET(flags, AT_SYMLINK_NOFOLLOW) ? 0 : AT_SYMLINK_FOLLOW);
int ntha_flags = at_flags_normalize_follow(flags) & (AT_EMPTY_PATH|AT_SYMLINK_FOLLOW);
_cleanup_free_ struct file_handle *ha = NULL, *hb = NULL;
int mntida = -1, mntidb = -1;